超冷原子的扫描隧道显微术
Scanning tunnelling microscopy for ultracold atoms
摘要：
我们提出了一种新的实验探针冷原子气体类似的扫描隧道显微镜（STM）在凝聚态物质。该探测器使用单个粒子与系统的相干耦合。根据测量顺序，我们的探头可以获得\emph{local}密度，分辨率为纳米级，或者实时获得单粒子关联函数。我们讨论了这个方案的应用程序的各种可能的相位的二维哈伯德系统的费米子在光晶格。
英文摘要：
We propose a novel experimental probe for cold atomic gases analogous to the scanning tunnelling microscope (STM) in condensed matter. This probe uses the coherent coupling of a single particle to the system. Depending on the measurement sequence, our probe allows to either obtain the \emph{local} density, with a resolution on the nanometer scale, or the single particle correlation function in real time. We discuss applications of this scheme to the various possible phases for a two dimensional Hubbard system of fermions in an optical lattice.
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